Coniugazione del verbo inglese
COULD DRILL

Verbo regolare: drill - drilled - drilled

Affermazione

Forma semplice	Forma con V-ing
I could drill you could drill he could drill we could drill you could drill they could drill	I could be drilling you could be drilling he could be drilling we could be drilling you could be drilling they could be drilling
Perfetto	Perfetto con V-ing
I could have drilled you could have drilled he could have drilled we could have drilled you could have drilled they could have drilled	I could have been drilling you could have been drilling he could have been drilling we could have been drilling you could have been drilling they could have been drilling

Negazione

Forma semplice	Forma con V-ing
I could not drill you could not drill he could not drill we could not drill you could not drill they could not drill	I could not be drilling you could not be drilling he could not be drilling we could not be drilling you could not be drilling they could not be drilling
Perfetto	Perfetto con V-ing
I could not have drilled you could not have drilled he could not have drilled we could not have drilled you could not have drilled they could not have drilled	I could not have been drilling you could not have been drilling he could not have been drilling we could not have been drilling you could not have been drilling they could not have been drilling

Forma interrogativa

Forma semplice	Forma con V-ing
could I drill? could you drill? could he drill? could we drill? could you drill? could they drill?	could I be drilling? could you be drilling? could he be drilling? could we be drilling? could you be drilling? could they be drilling?
Perfetto	Perfetto con V-ing
could I have drilled? could you have drilled? could he have drilled? could we have drilled? could you have drilled? could they have drilled?	could I have been drilling? could you have been drilling? could he have been drilling? could we have been drilling? could you have been drilling? could they have been drilling?

Forma interro-negativa

Forma semplice	Forma con V-ing
could I not drill? could you not drill? could he not drill? could we not drill? could you not drill? could they not drill?	could I not be drilling? could you not be drilling? could he not be drilling? could we not be drilling? could you not be drilling? could they not be drilling?
Perfetto	Perfetto con V-ing
could I not have drilled? could you not have drilled? could he not have drilled? could we not have drilled? could you not have drilled? could they not have drilled?	could I not have been drilling? could you not have been drilling? could he not have been drilling? could we not have been drilling? could you not have been drilling? could they not have been drilling?